飞思卡尔MMA8452Q加速度传感器

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1、FreescaleSemiconductorMMA8452QTechnicalDataRev3,10/2010AnEnergyEfficientSolutionbyFreescale3-Axis,12-bit/8-bitDigitalAccelerometerMMA8452QTheMMA8452Qisasmartlow-power,three-axis,capacitivemicromachinedaccelerometerwith12bitsofresolution.Thisaccelerometerispackedwithembeddedfunctionsw

2、ithflexibleuserprogrammableoptions,configurabletotwoMMA8452Q:3-AXISDIGITALinterruptpins.Embeddedinterruptfunctionsallowforoverallpowersavingsrelievingthehostprocessorfromcontinuouslypollingdata.ACCELEROMETER±2g/±4g/±8gTheMMA8452Qhasuserselectablefullscalesof±2g/±4g/±8gwithhighpassfil

3、tereddataaswellasnonfiltereddataavailablereal-time.Thedevicecanbeconfiguredtogenerateinertialwake-upinterruptsignalsfromanycombinationoftheconfigurableembeddedfunctionsallowingtheMMA8452QtomonitoreventsTopandBottomViewandremaininalowpowermodeduringperiodsofinactivity.TheMMA8452Qisava

4、ilableina3mmx3mmx1mmQFNpackage.Features•1.95Vto3.6Vsupplyvoltage•1.6Vto3.6Vinterfacevoltage•±2g/±4g/±8gdynamicallyselectablefull-scale•OutputDataRates(ODR)from1.56Hzto800Hz•99μg/√Hznoise•12-bitand8-bitdigitaloutput16PINQFN•I2Cdigitaloutputinterface(operatesto2.25MHzwith4.7kΩpull-up)3

5、mmx3mmx1mm•2programmableinterruptpinsfor6interruptsourcesCASE2077-01•3embeddedchannelsofmotiondetection–FreefallorMotionDetection:1channelTopView–PulseDetection:1channel–JoltDetection:1channelNCNCVDD•Orientation(Portrait/Landscape)detectionwithsethysteresis161514•AutomaticODRchangefo

6、rAuto-WAKEandreturntoSLEEPVDDIO113NC•HighPassFilterDataavailablereal-time•Self-TestBYP212GND•RoHScompliant•CurrentConsumption:6μA–165μANC3MMA8452Q11INT1TypicalApplicationsSCL410GND•E-CompassapplicationsGND59INT2•Staticorientationdetection(Portrait/Landscape,Up/Down,Left/Right,Back/67

7、8Frontpositionidentification)•Notebook,E-ReaderandLaptopTumbleandFreefallDetectionNCSDASA0•Real-timeorientationdetection(virtualrealityandgaming3Duserpositionfeedback)PinConnections•Real-timeactivityanalysis(pedometerstepcounting,freefalldropdetectionforHDD,dead-reckoningGPSbackup)•M

8、otiondetecti